This is a side-by-side specs comparison of the realme C21Y and vivo Y04s smartphones.
The realme C21Y features a 6.5-inch display, 5,000mAh battery, 10W charging rate, triple-camera setup and Unisoc Tiger T610 chipset.
Meanwhile, the vivo Y04s features a slightly larger 6.74-inch display, 6,000mAh battery, 15W charging rate, IP64 dust & water resistance and dual-camera setup. The two phones have similar prices.
| Specs | realme C21Y | vivo Y04s |
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| Picture & Ratings |
★★★★★ 3.4/5 stars (341)
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★★★★★ 3.5/5 stars ()
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| Design and Display | ||
| Display | 6.5-inch HD+ IPS LCD Display (720 x 1600 Pixels 270 ppi) with 20:9 Aspect Ratio and Notch | 6.74-inch HD+ IPS LCD Display (720 x 1600 Pixels, 260 ppi) with 90Hz Refresh Rate, 570nits HBM, and notch |
| Size | 165.2 x 76.4 x 8.9 mm | 167.30 x 76.95 x 8.19 mm |
| Weight | 190 g | 202 g |
| Build | Glass Front with Plastic Back | Glass front, Plastic back |
| Durability | IP64 dust & splash resistance, 5-star SGS drop resistance | |
| Colors | Black or Blue | Jade Green, Titanium Gold, Crystal Violet |
| Our pick: |
✔
vivo Y04s The vivo Y04s has a larger display. It is also more durable, while the realme C21Y is lighter. |
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| Performance | ||
| Chipset | Unisoc Tiger T610 | UNISOC T7225 (12 nm) |
| CPU | Octa Core CPU 2x Cortex-A75 @ 1.8GHz & 6x Cortex-A55 @ 1.8GHz |
Octa Core CPU 2x Cortex-A75 @ 1.8GHz & 6x Cortex-A55 @ 1.8GHz |
| GPU | Mali-G52 MP2 | Mali-G52 MP1 |
| RAM | 4 GB | 4 GB |
| Storage | 64GB | 256GB (eMMC 5.1) |
| Expansion | 512GB via microSD | 2TB via microSD |
| OS | Android 11 (Go Edition) | Android 14 with Funtouch OS 14 |
| Our pick: |
✔
vivo Y04s
The vivo Y04s has better performance. |
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| Cameras | ||
| Rear Camera | Triple Cameras: 13MP Main Camera (f/2.2 Aperture, Autofocus) 2MP Macro (f/2.4 Aperture) 2MP Depth Sensor -LED Flash -Up to 1080p Video Recording |
Dual Cameras: 13MP Main Camera (f/2.2 aperture, Autofocus) VGA Camera -LED Flash -Up to 1080p@30fps video recording |
| Front Camera |
5 Megapixels (f/2.2 Aperture) |
5 Megapixels (f/2.2 aperture) |
| Our pick: |
Tie
Based on the specs, both phones offer comparable camera capabilities. However, camera quality is difficult to determine with specs alone, actual usage may vary. |
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| Connectivity | ||
| Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n/ac (dual band) |
| SIM | Dual SIM (Nano-SIM) | Dual SIM (Nano-SIM) |
| NFC | No | No |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 |
| Infrared | No | |
| Location | GPS/A-GPS | GPS, GLONASS, GALILEO, BeiDou, QZSS |
| Our pick: |
✔
vivo Y04s
The vivo Y04s has newer Bluetooth. |
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| Audio and Features | ||
| USB OTG | Yes | Yes |
| USB | MicroUSB 2.0 | USB Type-C |
| 3.5mm Audio Jack | Yes | Yes |
| Audio Enhancement | None | Up to 200% speaker volume |
| FM Radio | Yes | Yes |
| Sensors |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass & Accelerometer |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Accelerometer Ultra-bright Flashlight |
| Our pick: |
Tie
Both phones offer a similar overall combination of audio, USB and sensor features. |
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| Battery and Charging | ||
| Battery | 5000 mAh Li-Po Battery (Non-removable) | 6000 mAh (Non-removable) |
| Charging | 10W Charging Rate | 15W charging rate |
| Our pick: |
✔
vivo Y04s
The vivo Y04s has a larger battery capacity and faster charging. |
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| Price and Availability | ||
| Price | ₱6,490.00 - Official Price in the Philippines | ₱6,499.00 - Official Price in the Philippines |
| Release Date | June 2021 | October 20, 2025 |
| Buy Online |
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